About this item

• Commercial-Grade Accuracy for 12V & 24V Batteries – Featured by Project Farm, the FOXWELL BT705 battery tester delivers ultra-precise SOH, SOC, and CCA readings using advanced conductance technology, accurately diagnosing battery, starter, and alternator systems in one test. Designed to reduce costly misdiagnosis, it helps prevent unnecessary $200+ battery replacements or alternator repairs. Compatible with AGM, EFB, Flooded, and Start-Stop batteries, the BT705 is trusted by serious DIYers and professional technicians who need dependable results.
• Complete Battery, Cranking & Charging Test – Giving you a clearer idea of your vehicle’s electrical condition before replacing parts or getting stranded with a dead battery. The automotive battery load tester checks battery health, starter cranking performance, and alternator charging output in one test, helping you quickly identify common issues such as a weak battery, poor starting performance, or abnormal charging output.
• Stable Diagnostics Even in Extreme Cold – Many battery testers produce unreliable readings when temperatures drop, but this car battery tester keeps its results stable even below 0°F. Powered by advanced conductance analysis, it accurately evaluates SOH, SOC, and CCA while checking the battery, starter, and alternator in one test. For quick decisions, the BT705 also provides clear GOOD / REPLACE / CHARGE guidance, so you can immediately know whether your battery still has life left or truly needs replacement.
• Bigger Screen, Clearer Answers – The enlarged 2.8" display shows battery test results clearly at a glance—even in dim garages. The simple interface makes navigation easy, so you can quickly view battery health and test results without scrolling through complicated menus. With the extended diagnostic cable, you can run tests right from the driver’s seat—no second person needed.
• Built for Reliable Everyday Testing – Equipped with a 2.8" LCD screen, 5.9 ft extended cable, and durable copper clamps, the car battery and alternator tester is designed for stable and convenient testing. Just connect the clamps and get results in seconds—no apps or phones required. Suitable for cars, SUVs, sedans, pickup trucks, light-duty trucks, heavy-duty trucks, semi trucks, RVs, boats, marine batteries, motorcycles, ATVs, and even lawn mowers.
• FOXWELL Quality Backed by 17+ Years - Built with GRS-certified recycled materials for eco-friendly production and sustainable manufacturing, the FOXWELL BT705 12V/24V battery tester is trusted by mechanics and car owners globally. It features rugged construction and professional design for long-lasting durability and reliable performance. Cheap testers cannot match our build quality, support, and commitment to excellence and environmental responsibility.